CN106499051A - A kind of post insertion prefabricated PC concrete frame frame system and its construction method - Google Patents
A kind of post insertion prefabricated PC concrete frame frame system and its construction method Download PDFInfo
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- CN106499051A CN106499051A CN201611022936.XA CN201611022936A CN106499051A CN 106499051 A CN106499051 A CN 106499051A CN 201611022936 A CN201611022936 A CN 201611022936A CN 106499051 A CN106499051 A CN 106499051A
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- 239000004567 concrete Substances 0.000 title claims abstract description 47
- 238000003780 insertion Methods 0.000 title claims abstract description 38
- 238000010276 construction Methods 0.000 title claims abstract description 33
- 239000011150 reinforced concrete Substances 0.000 claims abstract description 182
- 230000003014 reinforcing Effects 0.000 claims abstract description 81
- 230000002787 reinforcement Effects 0.000 claims abstract description 32
- 239000000725 suspensions Substances 0.000 claims abstract description 32
- 239000011148 porous materials Substances 0.000 claims abstract description 23
- 235000010627 Phaseolus vulgaris Nutrition 0.000 claims abstract description 10
- 240000005158 Phaseolus vulgaris Species 0.000 claims abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 29
- 239000010959 steel Substances 0.000 claims description 29
- 239000010410 layers Substances 0.000 claims description 28
- 239000004570 mortar (masonry) Substances 0.000 claims description 20
- 239000000839 emulsions Substances 0.000 claims description 19
- 230000001070 adhesive Effects 0.000 claims description 16
- 239000000853 adhesives Substances 0.000 claims description 16
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 9
- 238000000034 methods Methods 0.000 claims description 9
- 238000003892 spreading Methods 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 7
- 210000003205 Muscles Anatomy 0.000 claims description 4
- 230000000875 corresponding Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 2
- 210000002435 Tendons Anatomy 0.000 claims 1
- 239000007787 solids Substances 0.000 claims 1
- 230000000149 penetrating Effects 0.000 description 8
- 239000002689 soil Substances 0.000 description 7
- 238000004873 anchoring Methods 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000000203 mixtures Substances 0.000 description 3
- 239000011178 precast concrete Substances 0.000 description 3
- 210000000677 aggregate cell Anatomy 0.000 description 2
- 238000005253 cladding Methods 0.000 description 2
- 239000002131 composite materials Substances 0.000 description 2
- 238000010586 diagrams Methods 0.000 description 2
- 229920000642 polymers Polymers 0.000 description 2
- 241000283690 Bos taurus Species 0.000 description 1
- 210000004247 Hand Anatomy 0.000 description 1
- 210000003141 Lower Extremity Anatomy 0.000 description 1
- 280000398338 Seismic companies 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 239000002585 bases Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000006073 displacement reactions Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering processes Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 materials Substances 0.000 description 1
- 239000002184 metals Substances 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 239000011901 water Substances 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/19—Three-dimensional framework structures
- E04B1/1903—Connecting nodes specially adapted therefor
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
- E04B1/21—Connections specially adapted therefor
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
- E04B1/22—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material with parts being prestressed
Abstract
Description
Technical field
The invention belongs to precast construction field, particularly a kind of post insertion prefabricated PC concrete frame frame system and apply Work method.
Background technology
At present, domestic assembly concrete frame structure system is mainly using the assembling entirety that bean column node region is cast-in-place Formula structural system.The bracket for being only limitted in prefabricated post arrange support precast beam of bean column node dry type connection, both generally pass through Steel plate built-in fitting is welded, and is mainly used in industrial premises structure.The U.S. and Japan are applied in civil buildings, without bracket Precast prestressed framework dry type connecting node.But existing system is primarily present problems with, causes range of application very little：
First, power consumption reinforcing bar is respectively provided with beam-column connection region in the top and the bottom of beam, cause node construction complicated, especially beam The power consumption reinforcing bar of bottom, installs inconvenient.
2nd, in beam-column connection region, power consumption reinforcing bar, but the soap-free emulsion polymeization section of the reinforcing bar that consumes energy are respectively provided with the top of beam only It is arranged on the outside of post, is placed in the preformed groove of precast beam.This node power consumption joint of the reinforcing bar in post is more, high cost；Prefabricated Beam is power consumption reinforcing bar preformed groove, causes precast beam to make complicated high cost, and site operation is complicated.This kind of node does not consider simultaneously With the annexation of concrete floor, this kind of node only has node experiment, and experiment shows its switching performance compared with the first situation In setting up and down power consumption reinforcing bar node poor, pending more problems.
3rd, beam-column connection region the top and the bottom of beam be not provided with consume energy reinforcing bar, only by single or two after Tension prestress bar connecting, the energy-dissipating property of structure are poor, and anti-seismic performance is undesirable.
4th, posttension prestressing without bondn assembling concrete frame dry type system of the existing post insertion without bracket, although Can form the good antidetonation system of strong column and weak beam under geological process, but the suspension column being connected with basis in earthquake easy at first Destruction, and rehabilitation cost is high.
5th, as a kind of assembly concrete frame structure system, it is badly in need of one kind and considers architecture indoor aesthetic （Bracket is not revealed）, beam, post, plate, node rapid construction connection, the equipment installation such as hot-water heating electricity is pre-buried, reduces Construction Support and foot handss The dry type of the comprehensive system optimizations such as the non-physical consumption of materials such as frame and the anti-seismic performance and recoverability of taking into account structure connects Assembly concrete frame structure system.
Content of the invention
It is an object of the invention to provide a kind of post insertion prefabricated PC concrete frame frame system and its construction method, Solve construction complexity, anti-seismic performance present in the cast-in-place cast in place and precast construction system in existing bean column node region to pay no attention to Think, suspension column destructible, power consumption steel-bar arrangement high cost in the beam make complicated technical problem.
For achieving the above object, the present invention is adopted the following technical scheme that：
A kind of post insertion prefabricated PC concrete frame frame system, including basis, prefabricated reinforced concrete column, precast reinforced mixed Solidifying Tu Liang, laminated floor slab and plug-in prefabricated panel, the laminated floor slab include that the cast-in-place overlapping reinforcing bar of bottom precoated plate and top is mixed Solidifying soil layer,
Insertion is provided with the cylinder of the prefabricated reinforced concrete column and in the altitude range of precast reinforced concrete beam junction The post prestressed pore passage of cylinder, the post prestressed pore passage intersect in the short transverse of cylinder and are staggeredly arranged as spatial vertical Two-layer,
In the altitude range of in the beam body of the precast reinforced concrete beam and prefabricated reinforced concrete column junction, along beam body Length direction on be provided with the single girder pre-stressed duct of insertion beam body, the girder pre-stressed duct and corresponding post prestress hole Road is equivalently-sized and setting of aliging, and between the prefabricated reinforced concrete column and precast reinforced concrete beam, passes through in advance should in post Power duct is connected with the prestressing force for penetrating applying on continuous posttension no-cohesive prestressed reinforcement beam in girder pre-stressed duct, while Prefabricated reinforced concrete column is bondd by pouring into adhesive mortar joint filling with the beam column seam crossing of precast reinforced concrete beam,
By running through prefabricated reinforced concrete between the cast-in-place overlapping reinforced concrete floor of the prefabricated reinforced concrete column and top Post simultaneously anchors into the cast-in-place power consumption Bar Anchorage connection for overlapping reinforced concrete floor in top.
The power consumption reinforcing bar is unbonded reinforcement in cylinder, the prefabricated reinforced concrete column and the cast-in-place overlapping reinforcing bar in top The post power consumption reinforced hole of, insertion cylinder parallel with post prestressed pore passage is provided with cylinder in the altitude range of concrete layer connection Road, post power consumption reinforcing bar duct with intersect the two-layer that is staggeredly arranged as spatial vertical, the consumption in the short transverse of cylinder Can reinforcing bar penetrate in post power consumption reinforcing bar duct, intersect along the height of column direction of prefabricated reinforced concrete column and be staggeredly arranged as sky Between vertical two-layer, the power consumption reinforcing bar part through post power consumption reinforcing bar duct while another part to anchor into top cast-in-place folded Close in reinforced concrete floor.
The power consumption reinforcing bar is the outer unbonded reinforcement of cylinder, viscous including having outside post grouted part, the outer soap-free emulsion polymeization section of post and post Knot section,
In the altitude range of the cast-in-place overlapping reinforced concrete floor connection on the cylinder of the prefabricated reinforced concrete column and top Power consumption taper thread of reinforcing bar jointing is embedded with cylinder edge,
The post grouted part and the outer soap-free emulsion polymeization section of post are connect on post side by the power consumption taper thread of reinforcing bar jointing Long, it is continuous reinforcing bar to have adhesive section outside the outer soap-free emulsion polymeization section of the post and post.
Reinforcing bar anchor slab is provided with the post of the prefabricated reinforced concrete column, and post grouted part separates and divide along this reinforcing bar anchor slab The both sides of reinforcing bar anchor slab are not fixed on.
The bottom outside of the bottom column of the prefabricated reinforced concrete column is provided with suspension column, is connected between the suspension column and basis Interchangeable suspension column energy consumer, the suspension column energy consumer are small-sized buckling restrained brace, Metallic damper or viscous damper.
The outer anchor slab of steel bar column is provided with the outside of side column in the prefabricated reinforced concrete column, and the outer anchor slab of steel bar column is abutted The outer surface of side column, in the cylinder, unbonded reinforcement or is threadedly coupled for welding with the outer anchor slab of steel bar column.
Presstressed reinforcing steel anchor head, the presstressed reinforcing steel anchor head is provided with the outside of side column in the prefabricated reinforced concrete column In reserved groove on against the outer surface of side column or on the outside of the cylinder of side column, the presstressed reinforcing steel anchor head and posttension No-cohesive prestressed reinforcement beam stretches out the part anchor connection outside post.
The bottom precoated plate is cassette ceiling, and the cassette ceiling is prefabricated circular hole slab, prefabricated special-shaped orifice plate, SP or SD Plate, is provided with additional bar in the laminated floor slab, and the additional bar is located in the hole of cassette ceiling or to be arranged on bottom prefabricated Between the plate of plate at gap and be cast in cast-in-place overlapping reinforced concrete floor among.
Bottom precoated plate plate end along its length is overlapped on vertical with the plate end two neighboring precast reinforced On beams of concrete, the lap of splice is not less than 60mm, and bottom precoated plate is flushed in and the plate end along the plate end side surface of its width The side of parallel precast reinforced concrete beam.
The plug-in prefabricated panel is prefabricated lightweight aggregate cell concrete cladding panel, plug-in prefabricated panel and precast concrete Connecting structure between composite beam is dry type connecting structure or wet type connecting structure.
The wet type connecting structure includes the plug-in prefabricated panel in upper strata, the plug-in prefabricated panel of lower floor, bottom precoated plate, top Cast-in-place overlapping reinforced concrete floor, the sliding support assembly for connecting the plug-in prefabricated panel of upper and lower two-layer, the plug-in prefabricated panel in upper strata Between overlapping reinforced concrete floor cast-in-place with top, the height adjusting support component of adjustable connection and anchoring lower floor are plug-in prefabricated Link plate protruding bar between the cast-in-place overlapping reinforced concrete floor of wallboard and top.
The dry type connecting structure includes the plug-in prefabricated panel in upper strata, the plug-in prefabricated panel of lower floor, bottom precoated plate, top Between cast-in-place overlapping reinforced concrete floor, the cast-in-place overlapping reinforced concrete floor of the plug-in prefabricated panel in connection upper strata and top first The second rotational support component between rotational support component, the plug-in prefabricated panel of connection lower floor and bottom precoated plate, it is embedded in top Portion cast-in-place overlapping reinforced concrete floor edge steel corbel adjustment height component and hold out against company with steel corbel adjustment height component Connect the vertical supporting component for being embedded in the plug-in prefabricated panel bottom in upper strata.
A kind of construction method of post insertion prefabricated PC concrete frame frame system, construction procedure are as follows：
Step one, produces prefabricated components in the factory：Production prefabricated reinforced concrete column, bottom precoated plate and plug-in dry wall Plate, the spreading design attitude of the prefabricated reinforced concrete column are avoided at bean column node, are determined according to production and lifting condition pre- The prefabricated height of reinforced column processed, height of the prefabricated height for single or multiple lift structure；
Step 2, installs temporary support bracket：On prefabricated reinforced concrete column, the bottom of precast reinforced concrete beam to be installed Temporary support bracket is installed to hold precast reinforced concrete beam to be installed in portion position；
Step 3, installs prefabricated reinforced concrete column：
A, when prefabricated reinforced concrete column be bottom column when, the horizontal joint between the bottom and basis of bottom column is connected through Reinforced bar sleeve grouting connection or bolt connection, vertically penetrating in the suspension column of the bottom outside of bottom column makes which be connected with basis Suspension column energy consumer, reaches desired strength after the axial location and perpendicularity that adjust bottom column；
B, when prefabricated reinforced concrete column be index bed post when, between the bottom of index bed post and the lower floor's post of the index bed Horizontal joint connects through reinforced bar sleeve grouting connection or bolt connection, reaches after the axial location and perpendicularity that adjust index bed post Arrive desired strength；
Step 4, installs precast reinforced concrete beam：Precast reinforced concrete beam is installed on temporary support bracket；
Step 5, in the post prestressed pore passage of prefabricated reinforced concrete column with the girder pre-stressed duct of precast reinforced concrete beam Penetrate posttension no-cohesive prestressed reinforcement beam；
Step 6, the beam column seam crossing formed in step 5 pour into adhesive mortar joint filling and fill real bonding；
Step 7, after mortar to be bonded reaches desired strength, tensioning posttension no-cohesive prestressed reinforcement beam；
Step 8, the plate body reinforced mesh of laying power consumption reinforcing bar, additional bar and laminated floor slab, additional steel on the precoated plate of bottom The diameter and spacing of muscle and plate body reinforced mesh is by designing determination；
Step 9, repeat step two to step 8 pour the cast-in-place overlapping reinforced concrete in top during this period on the precoated plate of bottom Soil layer；
Step 10, installs plug-in prefabricated panel：The plug-in prefabricated panel is connected using dry type with precast reinforced concrete beam, and Interim diagonal brace is set, and the plug-in prefabricated panel of dry type connection is installed with layer or last unified installation；
Step 11, the axial location for adjusting plug-in prefabricated panel and absolute altitude.
The construction method of another kind of post insertion prefabricated PC concrete frame frame system, construction procedure are as follows：
Step one, produces prefabricated components in the factory：Production prefabricated reinforced concrete column, bottom precoated plate and plug-in dry wall Plate, the spreading design attitude of the prefabricated reinforced concrete column are avoided at bean column node, are determined according to production and lifting condition pre- The prefabricated height of reinforced column processed, height of the prefabricated height for single or multiple lift structure；
Step 2, installs temporary support bracket：On prefabricated reinforced concrete column, the bottom of precast reinforced concrete beam to be installed Temporary support bracket is installed to hold precast reinforced concrete beam to be installed in portion position；
Step 3, installs prefabricated reinforced concrete column：
A, when prefabricated reinforced concrete column be bottom column when, the horizontal joint between the bottom and basis of bottom column is connected through Reinforced bar sleeve grouting connection or bolt connection, vertically penetrating in the suspension column of the bottom outside of bottom column makes which be connected with basis Suspension column energy consumer, reaches desired strength after the axial location and perpendicularity that adjust bottom column；
B, when prefabricated reinforced concrete column be index bed post when, between the bottom of index bed post and the lower floor's post of the index bed Horizontal joint connects through reinforced bar sleeve grouting connection or bolt connection, reaches after the axial location and perpendicularity that adjust index bed post Arrive desired strength；
Step 4, installs precast reinforced concrete beam：Precast reinforced concrete beam is installed on temporary support bracket；
Step 5, in the post prestressed pore passage of prefabricated reinforced concrete column with the girder pre-stressed duct of precast reinforced concrete beam Penetrate posttension no-cohesive prestressed reinforcement beam；
Step 6, the beam column seam crossing formed in step 5 pour into adhesive mortar joint filling and fill real bonding；
Step 7, after mortar to be bonded reaches desired strength, tensioning posttension no-cohesive prestressed reinforcement beam；
Step 8, installs plug-in prefabricated panel：The plug-in prefabricated panel is connected using wet type with precast reinforced concrete beam, and Interim diagonal brace is set, and the plug-in prefabricated panel of wet type connection is installed with layer；
Step 9, the axial location for adjusting plug-in prefabricated panel and absolute altitude；
Step 10, the plate body reinforced mesh of laying power consumption reinforcing bar, additional bar and laminated floor slab, additional steel on the precoated plate of bottom The diameter and spacing of muscle and plate body reinforced mesh is by designing determination；
Step 11, repeat step two to step 10 pour the cast-in-place overlapping reinforcing bar in top during this period on the precoated plate of bottom and mix Solidifying soil layer.
Compared with prior art the invention has the characteristics that and beneficial effect：
The post insertion prefabricated PC concrete frame frame system of the present invention is that one kind efficiently can be constructed, anti-seismic performance is good, shake The Novel pole insertion prefabricated PC concrete frame frame system that easily repairs afterwards.The present invention is by prefabricated post, precast beam, overlapping The Optimal improvements of plate plate, the type selecting of the prefabricated components of out-hung panel, connecting structure and node, the reasonable arrangement of working procedure, carry High the construction speed of prefabricated PC concrete frame frame system and green construction level.
The present invention arranges power consumption reinforcing bar and energy consumer by rational position in prefabricated PC concrete frame to reach To under conditions of not increasing construction difficulty and operation, the purpose of total system anti-seismic performance and recoverability is improved.
The post insertion novel fabricated concrete frame structure system of the present invention has been abandoned and has been all provided with the top and the bottom of beam in the past The top and the bottom for put power consumption reinforcing bar, only arranging consume energy reinforcing bar or beam on the top of beam are all not provided with the mode of power consumption reinforcing bar, adopt Post insertion is carried out at the connecting node of precast beam and prefabricated post, only by penetrating both posttension between precast beam and prefabricated post Deformed bar is simultaneously by penetrating prefabricated post and anchoring into part concrete cast-in-place positioned at superimposed sheet between superimposed sheet and prefabricated post Power consumption bar connecting, the anchor force of the prestressing force of post-tensioned prestressed reinforcement and power consumption reinforcing bar causes to together form between component strong The weak girder construction of post, seismic resistance are greatly improved.
The suspension column that the bottom prefabricated post of the present invention is connected with basis employs replaceable suspension column energy consumer, coordinates posttension in advance should It is little that the use of power reinforcing bar makes structure and concrete component damage in earthquake, while suspension column energy consumer is located at when destroying on the outside of suspension column Also easily repair.
When the structural system of the present invention is constructed, cancel the installation of the bottom power consumption reinforcing bar of beam, the joint in post simplifies less Node construction, sets high cost and the power consumption reinforcing bar preformed groove of complexity of constructing without the need for staying in precast beam, simplifies prefabrication and assembly construction and mix Solidifying soil Joint's connection fabrication, power consumption reinforcing bar constructed simultaneously with superimposed sheet, it is contemplated that annexation of the prefabricated post with laminated floor slab, Switching performance is preferable.The form of construction work of prefabricated sandwich hollow slab and prestressing force assembling, makes site operation convenient, fast simultaneously, Interim support only need to be set under beam, and more traditional prefabricated assembly structural saves a large amount of supports, be lifted prefabricated assembled at present mixed The construction efficiency of solidifying soil framework and frame-shear-wall structure, raising anti-seismic performance reduce structure repair cost after shake.
Present invention is mainly used for assembly concrete framework and frame-shear wall building, can be combined with lateral support, cut The lateral resistant members such as power wall are used, it is adaptable to many high-rise public buildings, such as school, office building, apartment, hospital etc..
Description of the drawings
The present invention will be further described in detail below in conjunction with the accompanying drawings.
Fig. 1 is the arrangement schematic diagram of post insertion prefabricated PC concrete frame frame system aerial partss component of the present invention.
Fig. 2 is the structural representation of post insertion prefabricated PC concrete frame frame system of the present invention.
Fig. 3 is the king post joint floor map the present invention relates to example.
Fig. 4 is the structural representation of the A-A sections of the embodiment of the present invention one in Fig. 3, is related to soap-free emulsion polymeization in power consumption steel bar column Embodiment.
Fig. 5 is the A-A cross-sectional views of the embodiment of the present invention two in Fig. 3, is related to the outer soap-free emulsion polymeization of steel bar column that consumes energy Embodiment.
Fig. 6 is the side column nodal plane schematic diagram the present invention relates to example.
Fig. 7 is the structural representation of the B-B sections of the embodiment of the present invention one in Fig. 6, is related to soap-free emulsion polymeization in power consumption steel bar column Embodiment.
Fig. 8 is the B-B cross-sectional views of the embodiment of the present invention two in Fig. 6, is related to the outer soap-free emulsion polymeization of steel bar column that consumes energy Embodiment.
Fig. 9 is C-C cross-sectional views in Fig. 3.
Figure 10 is D-D cross-sectional views in Fig. 3.
Figure 11 is the structural representation of link plate dry type connection.
Figure 12 is E-E cross-sectional views in 11.
Figure 13 is F-F cross-sectional views in Figure 11.
Figure 14 is the structural representation of link plate wet type connection.
Figure 15 is G-G cross-sectional views in Figure 14.
Figure 16 is H-H cross-sectional views in Figure 14.
Reference：1- prefabricated reinforced concrete columns, 1.1- post prestressed pore passages, 1.2- posts power consumption reinforcing bar duct, 2- are pre- The girder pre-stressed duct of reinforced beam processed, 2.1-, 3- laminated floor slabs, 3.1- bottoms precoated plate, cast-in-place overlapping steel at the top of 3.2- Reinforced concrete layer, 3.3- plate body reinforced mesh, 3.4- additional bars, the plug-in prefabricated panels of 4-, the plug-in prefabricated panel in 4.1- upper stratas, The plug-in prefabricated panel of 4.2- lower floors, 5- bases, 6- posttension no-cohesive prestressed reinforcement beams, 6.1- presstressed reinforcing steel anchor heads, 7- power consumption Anchor in the outer anchor slab of unbonded reinforcement, 7.1a- steel bar columns, the outer unbonded reinforcement of 7.2- cylinders, 7.2a- posts in reinforcing bar, 7.1- cylinders Gu have outside the outer soap-free emulsion polymeization section of section, 7.2b- posts, 7.2c- posts adhesive section, 8- power consumption taper thread of reinforcing bar jointings, 9- reinforcing bar anchor slabs, 10- suspension column energy consumers, 11- adhesive mortars, 12- temporary support brackets, 13- sliding support assemblies, 14- height adjusting support groups Part, 15- link plate protruding bars, 16- the first rotational support components, 17- the second rotational support components, 18- steel corbel adjustment heights Component, 19- vertical supporting components.
Specific embodiment
Post insertion prefabricated PC concrete frame frame system proposed by the present invention is shown in Figure 1, including basis 5, in advance Reinforced column processed 1, precast reinforced concrete beam 2, laminated floor slab 3 and plug-in prefabricated panel 4, shown in Figure 2, described folded Closing floor 3 includes the cast-in-place overlapping reinforced concrete floor 3.2 of bottom precoated plate 3.1 and top.Wherein, prefabricated reinforced concrete column 1 For single or multiple lift（Layer 2-3）Without bracket precast concrete column, precast reinforced concrete beam 2 is that intercolumniation is whole to the high prefabricated section in building The prefabricated beams of concrete of root, laminated floor slab 3 is for big across precast prestressed cassette ceiling or roof boarding.In system proposed by the present invention General no longer setting secondary beam, is placed directly within girder across precast prestressed cored slab greatly.Precast prestressed cassette ceiling or room Plate body reinforced mesh is laid on the bottom precoated plate 3.1 of panel, and the cast-in-place overlapping reinforcing bar in the thick tops of cast in situs 40-150mm is mixed Solidifying soil layer 3.2, at the top of this, bottom precoated plate 3.1 and precast reinforced concrete beam are linked to be whole by cast-in-place overlapping reinforced concrete floor Body, forms rigid integral cover or roof system.
Shown in Figure 2, the height of on the cylinder of prefabricated reinforced concrete column 1 and 2 junction of precast reinforced concrete beam In the range of be provided with the post prestressed pore passage 1.1 of insertion cylinder, the post prestressed pore passage 1.1 intersects in the short transverse of cylinder The two-layer being staggeredly arranged as spatial vertical, so as to prefabricated reinforced concrete column around two or four prefabricated reinforced concretes Beam 2 is attached.
In the altitude range of in the beam body of precast reinforced concrete beam 2 and 1 junction of prefabricated reinforced concrete column, along beam The single girder pre-stressed duct 2.1 of insertion beam body, the girder pre-stressed duct 2.1 and corresponding post is provided with the length direction of body Prestressed pore passage 1.1 is equivalently-sized and setting of aliging, between the prefabricated reinforced concrete column 1 and precast reinforced concrete beam 2, Applied on continuous posttension no-cohesive prestressed reinforcement beam 6 by penetrating in post prestressed pore passage 1.1 with girder pre-stressed duct 2.1 Plus prestressing force connection, while prefabricated reinforced concrete column 1 is viscous by pouring into the beam column seam crossing of precast reinforced concrete beam 2 Knot mortar 11 joint filling bonding.
Referring to shown in Fig. 6-Fig. 8, if the prefabricated reinforced concrete column 1 is side column, pre- answering on the outside of side column, is provided with Power sinew anchor head 6.1, the presstressed reinforcing steel anchor head 6.1 against side column outer surface or on the outside of the cylinder of side column on pre- Stay in groove, the presstressed reinforcing steel anchor head 6.1 stretches out the part anchor connection outside post with posttension no-cohesive prestressed reinforcement beam 6.
By running through pre-manufactured steel between the cast-in-place overlapping reinforced concrete floor 3.2 of the prefabricated reinforced concrete column 1 and top Reinforced concrete post 1 simultaneously anchors into cast-in-place 7 anchor connection of power consumption reinforcing bar for overlapping reinforced concrete floor 3.2 in top.Power consumption reinforcing bar according to The difference at soap-free emulsion polymeization position is divided into two kinds of forms of soap-free emulsion polymeization and the outer soap-free emulsion polymeization of cylinder in cylinder.
As shown in Figure 3 and Figure 4, the power consumption reinforcing bar is unbonded reinforcement 7.1 in cylinder to embodiment one, described precast reinforced It is provided with and post prestressing force in the cylinder in altitude range that the overlapping reinforced concrete floor 3.2 cast-in-place with top of concrete column 1 is connected Duct 1.1 is parallel, the post of insertion cylinder power consumption reinforcing bar duct 1.2, the post power consumption reinforcing bar duct 1.2 with along the highly square of cylinder Intersect the two-layer being staggeredly arranged as spatial vertical upwards, the power consumption reinforcing bar 7 is penetrated in post power consumption reinforcing bar duct 1.2, along prefabricated Intersect the two-layer being staggeredly arranged as spatial vertical on the height of column direction of reinforced column 1, the power consumption reinforcing bar part is passed through While wearing post power consumption reinforcing bar duct 1.2, another part is anchored in the cast-in-place overlapping reinforced concrete floor 3.2 in top.
If the prefabricated reinforced concrete column 1 is side column, the outer anchor slab 7.1a of steel bar column, reinforcing bar on the outside of side column, is provided with Outer surfaces of the outer anchor slab 7.1a of post against side column, in the cylinder, the anchor slab 7.1a outer with steel bar column of unbonded reinforcement 7.1 is weldering Connect or be threadedly coupled.
As shown in Figure 3 and Figure 5, the power consumption reinforcing bar is the outer unbonded reinforcement 7.2 of cylinder to embodiment two, including anchoring in post There is adhesive section 7.2c outside outer soap-free emulsion polymeization section 7.2b of section 7.2a, post and post, on the cylinder of the prefabricated reinforced concrete column 1 and top Power consumption taper thread of reinforcing bar connection is embedded with cylinder edge in the altitude range of cast-in-place overlapping reinforced concrete floor 3.2 connection in portion Outer soap-free emulsion polymeization section 7.2b of joint 8, the post grouted part 7.2a and post is by the power consumption taper thread of reinforcing bar jointing 8 on post side Spreading is mechanically connected, it is continuous reinforcing bar to have adhesive section 7.2c outside outer soap-free emulsion polymeization section 7.2b of the post and post.Described precast reinforced Reinforcing bar anchor slab 9 is provided with the post of concrete column 1, and post grouted part 7.2a separates along this reinforcing bar anchor slab and is separately fixed at reinforcing bar anchor The both sides of plate 9.
If the prefabricated reinforced concrete column 1 is side column, the end of post grouted part 7.2a is anchored in post inner bending.
Shown in Figure 2, the bottom outside of the bottom column of the prefabricated reinforced concrete column 1 is provided with suspension column, the suspension column with Interchangeable suspension column energy consumer 10 is connected between basis 5, and the suspension column energy consumer 10 is small-sized buckling restrained brace, metal consumption Can device or viscous damper.
Referring to shown in Fig. 9 and Figure 10, the bottom precoated plate 3.1 is cassette ceiling, the cassette ceiling be prefabricated circular hole slab, Prefabricated special-shaped orifice plate, SP or SD plates, are provided with additional bar 3.4 in the laminated floor slab 3, and the additional bar is located at cassette ceiling In hole or it is arranged between the plate of bottom precoated plate 3.1 at gap and is cast among cast-in-place overlapping reinforced concrete floor 3.2.
Bottom precoated plate plate end along its length is overlapped on vertical with the plate end two neighboring precast reinforced On beams of concrete, the lap of splice is not less than 60mm, and bottom precoated plate is flushed in and the plate end along the plate end side surface of its width The side of parallel precast reinforced concrete beam.
The plug-in prefabricated panel of post insertion prefabricated PC concrete frame frame system proposed by the present invention is using insulation, knot Structure and decoration integrated large-scale lightweight aggregate cell concrete cladding panel, between plug-in prefabricated panel and precast concrete composite beam Connecting structure be dry type connecting structure or wet type connecting structure.
Referring to shown in Figure 11-13, the dry type connecting structure includes that the plug-in prefabricated panel 4.1, lower floor in upper strata is plug-in prefabricated The cast-in-place overlapping reinforced concrete floor 3.2 of wallboard 4.2, bottom precoated plate 3.1, top, the plug-in prefabricated panel in connection upper strata and top The first rotational support component 16, the plug-in prefabricated panel of connection lower floor and bottom precoated plate between cast-in-place overlapping reinforced concrete floor Between the second rotational support component 17, be embedded in top cast-in-place overlapping reinforced concrete floor edge steel corbel adjustment height group Part 18 and hold out against with steel corbel adjustment height component and be connected the vertical supporting component for being embedded in the plug-in prefabricated panel bottom in upper strata 19.Plug-in prefabricated panel is installed after main structure construction is finished.First rotational support component 16 and the second rotational support component 17 structure is identical.
Wherein, the first rotational support component 16 and the second rotational support component 17 are used for position outside the plane of plug-in prefabricated panel Move, and ensure the rotation in plug-in prefabricated panel plane；The lower end of plug-in prefabricated panel is provided with vertical supporting component 19, vertically Support component 19 is placed on steel corbel adjustment height component 18, for supporting and adjusting the absolute altitude of plug-in prefabricated panel；Steel cattle Lower limb adjustment height component 18 includes the preburying part for imbedding agent structure and the adjustable bracket exposed division for exposing to agent structure sidepiece, Adjustable bracket exposed division is adjustable up and down to hold out against vertical supporting component 19.
The construction method of this post insertion prefabricated PC concrete frame frame system, referring to shown in Fig. 1-9, construction procedure As follows：
Step one, produces prefabricated components in the factory：Production prefabricated reinforced concrete column 1, bottom precoated plate 3.1 and plug-in prefabricated Wallboard 4, the spreading design attitude of the prefabricated reinforced concrete column 1 are avoided at bean column node, true according to production and lifting condition Determine the prefabricated height of prefabricated reinforced concrete column 1, height of the prefabricated height for single or multiple lift structure；
Step 2, installs temporary support bracket：On prefabricated reinforced concrete column 1, to be installed precast reinforced concrete beam 2 Bottom position is installed temporary support bracket 12 to hold precast reinforced concrete beam 2 to be installed；
Step 3, installs prefabricated reinforced concrete column：
A, when prefabricated reinforced concrete column 1 is bottom column, the horizontal joint connection between the bottom and basis of bottom column is logical Reinforced bar sleeve grouting connection or bolt connection is crossed, vertically penetrating in the suspension column 1.3 of the bottom outside of bottom column makes which with basis The suspension column energy consumer 10 of connection, reaches desired strength after the axial location and perpendicularity that adjust bottom column；
B, when prefabricated reinforced concrete column 1 be index bed post when, between the bottom of index bed post and the lower floor's post of the index bed Horizontal joint connect through reinforced bar sleeve grouting connection or bolt connection, adjust index bed post axial location and perpendicularity after Reach desired strength；
Step 4, installs precast reinforced concrete beam：Precast reinforced concrete beam 2 is installed on temporary support bracket 12；
Step 5, girder pre-stressed with precast reinforced concrete beam 2 in the post prestressed pore passage 1.1 of prefabricated reinforced concrete column 1 Posttension no-cohesive prestressed reinforcement beam 6 is penetrated in duct 2.1；
Step 6, the beam column seam crossing formed in step 5 pour into 11 joint filling of adhesive mortar and fill real bonding, the beam column seam Width be 10mm-30mm, adhesive mortar is polymer mortar；
Step 7, after mortar to be bonded 11 reaches desired strength, tensioning posttension no-cohesive prestressed reinforcement beam 6 is preliminarily formed steady System is carried surely；
Step 8, the plate body reinforced mesh of laying power consumption reinforcing bar 7, additional bar 3.4 and laminated floor slab on bottom precoated plate 3.1 3.3, the diameter and spacing of additional bar 3.4 and plate body reinforced mesh 3.3 are by designing determination；
Step 9, repeat step two to step 8 pour the cast-in-place overlapping reinforcing bar in top during this period on bottom precoated plate 3.1 and mix Solidifying soil layer 3.2, the cast-in-place thickness for overlapping reinforced concrete floor in the top is 40mm-150mm；
Step 10, installs plug-in prefabricated panel 4：The plug-in prefabricated panel 4 is connected using dry type with precast reinforced concrete beam 2 Connect, and interim diagonal brace is set, the plug-in prefabricated panel 4 of dry type connection is installed with layer or last unified installation；
Step 11, the axial location for adjusting plug-in prefabricated panel 4 and absolute altitude.
Referring to shown in Figure 14-16, the wet type connecting structure includes that the plug-in prefabricated panel 4.1, lower floor in upper strata is plug-in prefabricated Wallboard 4.2, bottom precoated plate 3.1, top are cast-in-place to be overlapped reinforced concrete floor 3.2, connects the plug-in prefabricated panel of upper and lower two-layer 3.2 adjustable connections between the cast-in-place overlapping reinforced concrete floor of the plug-in prefabricated panel 4.1 of sliding support assembly 13, upper strata and top 4.2 overlapping reinforced concrete floor 3.2 cast-in-place with top of the plug-in prefabricated panel of height adjusting support component 14 and anchoring lower floor it Between link plate protruding bar 15.Plug-in prefabricated panel is constructed simultaneously with agent structure.
Wherein, sliding support assembly is used for the plane outer displacement for limiting plug-in prefabricated panel, and ensures plug-in prefabricated panel Translation in plane；Height adjusting support component is used for the absolute altitude that erection stage adjusts plug-in prefabricated panel temporarily；Link plate is overhanging Reinforcing bar is embedded in plug-in prefabricated panel, and overhanging part overlapping reinforced concrete floor cast-in-place with top is poured and is integrated.
When plug-in prefabricated panel 4 is connected using wet type with precast reinforced concrete beam 2, need exchange construction procedure ten, Between step 11 inserting step seven and step 8.
The construction method of this post insertion prefabricated PC concrete frame frame system, construction procedure are as follows：
Step one, produces prefabricated components in the factory：Production prefabricated reinforced concrete column 1, bottom precoated plate 3.1 and plug-in prefabricated Wallboard 4, the spreading design attitude of the prefabricated reinforced concrete column 1 are avoided at bean column node, true according to production and lifting condition Determine the prefabricated height of prefabricated reinforced concrete column 1, height of the prefabricated height for single or multiple lift structure；
Step 2, installs temporary support bracket：On prefabricated reinforced concrete column 1, to be installed precast reinforced concrete beam 2 Bottom position is installed temporary support bracket 12 to hold precast reinforced concrete beam 2 to be installed；
Step 3, installs prefabricated reinforced concrete column：
A, when prefabricated reinforced concrete column 1 is bottom column, the horizontal joint connection between the bottom and basis of bottom column is logical Reinforced bar sleeve grouting connection or bolt connection is crossed, vertically penetrating in the suspension column 1.3 of the bottom outside of bottom column makes which with basis The suspension column energy consumer 10 of connection, reaches desired strength after the axial location and perpendicularity that adjust bottom column；
B, when prefabricated reinforced concrete column 1 be index bed post when, between the bottom of index bed post and the lower floor's post of the index bed Horizontal joint connect through reinforced bar sleeve grouting connection or bolt connection, adjust index bed post axial location and perpendicularity after Reach desired strength；
Step 4, installs precast reinforced concrete beam：Precast reinforced concrete beam 2 is installed on temporary support bracket 12；
Step 5, girder pre-stressed with precast reinforced concrete beam 2 in the post prestressed pore passage 1.1 of prefabricated reinforced concrete column 1 Posttension no-cohesive prestressed reinforcement beam 6 is penetrated in duct 2.1, stable carrying system is preliminarily formed；
Step 6, the beam column seam crossing formed in step 5 pour into 11 joint filling of adhesive mortar and fill real bonding, the beam column seam Width be 10mm-30mm, adhesive mortar is polymer mortar；
Step 7, after mortar to be bonded 11 reaches desired strength, tensioning posttension no-cohesive prestressed reinforcement beam 6；
Step 8, installs plug-in prefabricated panel 4：The plug-in prefabricated panel 4 is connected using wet type with precast reinforced concrete beam 2 Connect, and interim diagonal brace is set, the plug-in prefabricated panel 4 of wet type connection is installed with layer；
Step 9, the axial location for adjusting plug-in prefabricated panel 4 and absolute altitude；
Step 10, the plate body reinforced mesh of laying power consumption reinforcing bar 7, additional bar 3.4 and laminated floor slab on bottom precoated plate 3.1 3.3, the diameter and spacing of additional bar 3.4 and plate body reinforced mesh 3.3 are by designing determination；
Step 11, repeat step two to step 10 pour the cast-in-place overlapping reinforcing bar in top during this period on bottom precoated plate 3.1 Concrete layer 3.2, the cast-in-place thickness for overlapping reinforced concrete floor in the top is 40mm-150mm.
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